package com.service;

import com.mapper.RecyclerMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
@Transactional
public class UserService {

    @Autowired
    RecyclerMapper mapper;


    public String aaa() {
//        mapper.insert();
        mapper.update();
//        int i = 1 / 0;
        return "hello world";
    }

}
